{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["Chemical", "Disease"], "input": "Although in the acute stage the renal lesions histologically appeared toxic , evidence suggestive of an immunological mechanism cannot be excluded ."}
{"Chemical": [], "Disease": ["renal lesions"]}